/*
 * Copyright 2012-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.springcloud.gray.bean.origin;

/**
 * Interface to provide access to the origin of an item.
 *
 * @author Phillip Webb
 * @see Origin
 * @since 2.0.0
 */
@FunctionalInterface
public interface OriginProvider {

    /**
     * Return the source origin or {@code null} if the origin is not known.
     *
     * @return the origin or {@code null}
     */
    Origin getOrigin();

}
